Home / 100,964.52-139,331.04-58,547.64

Finding the Fourth Proportional to 100,964.52, 139,331.04 and 58,547.64

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Solution

The fourth proportional to 100,964.52, 139,331.04 and 58,547.64 is: 80,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964.52 : 139,331.04 = 58,547.64 : x
  2. Step 2: Convert to fraction form
    100,964.52/139,331.04 = 58,547.64/x
  3. Step 3: Cross multiply
    100,964.52x = 139,331.04 × 58,547.64
  4. Step 4: Simplify right side
    100,964.52x = 8,157,503,570.75
  5. Step 5: Solve for x
    x = 8,157,503,570.75/100,964.52
  6. Step 6: Final answer
    x = 80,795.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.